730068904 has 16 divisors (see below), whose sum is σ = 1405876500. Its totient is φ = 355168512.

The previous prime is 730068887. The next prime is 730068929. The reversal of 730068904 is 409860037.

It can be written as a sum of positive squares in 2 ways, for example, as 615536100 + 114532804 = 24810^2 + 10702^2 .

It is a super-2 number, since 2×730068904² = 1066001209175522432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232929 + ... + 1233520.

Almost surely, 2^730068904 is an apocalyptic number.

730068904 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

730068904 is a deficient number, since it is larger than the sum of its proper divisors (675807596).

730068904 is a wasteful number, since it uses less digits than its factorization.

730068904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466492 (or 2466488 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 730068904 is about 27019.7872678524. The cubic root of 730068904 is about 900.4396633722.

The spelling of 730068904 in words is "seven hundred thirty million, sixty-eight thousand, nine hundred four".